1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/Makefile	Mon Oct 15 21:59:18 2018 +0200
     1.3 @@ -0,0 +1,75 @@
     1.4 +# Makefile - Build the BlinkPIC32 payload
     1.5 +#
     1.6 +# Copyright (C) 2015, 2017, 2018 Paul Boddie <paul@boddie.org.uk>
     1.7 +# Copyright (C) Xiangfu Liu <xiangfu@sharism.cc>
     1.8 +#
     1.9 +# This program is free software: you can redistribute it and/or modify
    1.10 +# it under the terms of the GNU General Public License as published by
    1.11 +# the Free Software Foundation, either version 3 of the License, or
    1.12 +# (at your option) any later version.
    1.13 +#
    1.14 +# This program is distributed in the hope that it will be useful,
    1.15 +# but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.16 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.17 +# GNU General Public License for more details.
    1.18 +#
    1.19 +# You should have received a copy of the GNU General Public License
    1.20 +# along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.21 +
    1.22 +ARCH = mipsel-linux-gnu
    1.23 +CC = $(ARCH)-gcc
    1.24 +LD = $(ARCH)-ld
    1.25 +NM = $(ARCH)-nm
    1.26 +OBJCOPY=$(ARCH)-objcopy
    1.27 +OBJDUMP=$(ARCH)-objdump
    1.28 +
    1.29 +# NOTE: -O2 is actually needed to prevent memcpy references, whereas probably
    1.30 +# NOTE: one of the -f{freestanding, no-hosted, no-builtin} options should work.
    1.31 +# NOTE: See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56888
    1.32 +
    1.33 +CFLAGS = -O2 -Wall \
    1.34 +	-fno-unit-at-a-time -fno-zero-initialized-in-bss \
    1.35 +	-ffreestanding -fno-hosted -fno-builtin \
    1.36 +	-march=mips32
    1.37 +LDFLAGS = -nostdlib -EL
    1.38 +
    1.39 +TARGET = blink.elf
    1.40 +DUMP = $(TARGET:.elf=.dump)
    1.41 +MAP = $(TARGET:.elf=.map)
    1.42 +SCRIPT = $(TARGET:.elf=.ld)
    1.43 +
    1.44 +HEX = $(TARGET:.elf=.hex)
    1.45 +SREC = $(TARGET:.elf=.srec)
    1.46 +
    1.47 +# Ordering of objects is important and cannot be left to replacement rules.
    1.48 +
    1.49 +SRC = blink.S
    1.50 +OBJ = blink.o
    1.51 +
    1.52 +.PHONY:	all clean distclean
    1.53 +
    1.54 +all:	$(HEX) $(SREC)
    1.55 +
    1.56 +clean:
    1.57 +	rm -f $(OBJ) $(TARGET) $(HEX) $(SREC) $(DUMP) *.map
    1.58 +
    1.59 +distclean: clean
    1.60 +	echo "Nothing else to clean."
    1.61 +
    1.62 +$(HEX): $(TARGET)
    1.63 +	$(OBJCOPY) -O ihex $(TARGET) $(HEX)
    1.64 +
    1.65 +$(SREC): $(TARGET)
    1.66 +	$(OBJCOPY) -O srec $(TARGET) $(SREC)
    1.67 +
    1.68 +$(TARGET): $(OBJ)
    1.69 +	$(LD) $(LDFLAGS) -T $(SCRIPT) $(OBJ) -o $@
    1.70 +	$(OBJDUMP) -D $(TARGET) > $(DUMP)
    1.71 +	$(OBJDUMP) -h $(TARGET) > $(MAP)
    1.72 +	$(NM) -n $(TARGET) > System.map
    1.73 +
    1.74 +.c.o:
    1.75 +	$(CC) -c $(CFLAGS) $< -o $@
    1.76 +
    1.77 +.S.o:
    1.78 +	$(CC) -c $(CFLAGS) $< -o $@